440435971 has 4 divisors (see below), whose sum is σ = 450678712. Its totient is φ = 430193232.

The previous prime is 440435959. The next prime is 440435987. The reversal of 440435971 is 179534044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 440435971 - 2¹⁵ = 440403203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440435971.

It is not an unprimeable number, because it can be changed into a prime (440435911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5121306 + ... + 5121391.

It is an arithmetic number, because the mean of its divisors is an integer number (112669678).

Almost surely, 2^440435971 is an apocalyptic number.

440435971 is a deficient number, since it is larger than the sum of its proper divisors (10242741).

440435971 is a wasteful number, since it uses less digits than its factorization.

440435971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242740.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 440435971 is about 20986.5664414168. The cubic root of 440435971 is about 760.8416178629.

The spelling of 440435971 in words is "four hundred forty million, four hundred thirty-five thousand, nine hundred seventy-one".